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140745471342 = 2372478726093
BaseRepresentation
bin1000001100010100010…
…1010111010101101110
3111110021210102202011220
42003011011113111232
54301221320040332
6144354011524210
713111542524100
oct2030505272556
9443253382156
10140745471342
1154765170863
122333b459666
13103701623b8
146b52641570
1539db3c6d2c
hex20c515756e

140745471342 has 24 divisors (see below), whose sum is σ = 327448648296. Its totient is φ = 40212991728.

The previous prime is 140745471329. The next prime is 140745471379. The reversal of 140745471342 is 243174547041.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 140745471294 and 140745471303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 239362753 + ... + 239363340.

It is an arithmetic number, because the mean of its divisors is an integer number (13643693679).

Almost surely, 2140745471342 is an apocalyptic number.

140745471342 is an abundant number, since it is smaller than the sum of its proper divisors (186703176954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140745471342 is a wasteful number, since it uses less digits than its factorization.

140745471342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478726112 (or 478726105 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 42.

The spelling of 140745471342 in words is "one hundred forty billion, seven hundred forty-five million, four hundred seventy-one thousand, three hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 478726093 957452186 1436178279 2872356558 3351082651 6702165302 10053247953 20106495906 23457578557 46915157114 70372735671 140745471342